/*
 * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package victoralbertos.io.ohos.net;

import ohos.eventhandler.EventHandler;
import ohos.eventhandler.EventRunner;
import rx.Scheduler;
import rx.schedulers.Schedulers;

import java.util.concurrent.Executor;

/**
 * 调度类
 *
 * @author name
 * @since 2021-06-03
 */
public class OhosSchedulers implements Executor {
    private static OhosSchedulers instance;

    private final Scheduler mMainScheduler;
    private final EventHandler mHandler;

    private OhosSchedulers() {
        mHandler = new EventHandler(EventRunner.current());
        mMainScheduler = Schedulers.from(this);
    }

    /** 主线程
     * @return Scheduler
     */
    public static synchronized Scheduler mainThread() {
        if (instance == null) {
            instance = new OhosSchedulers();
        }
        return instance.mMainScheduler;
    }

    @Override
    public void execute(Runnable runnable) {
        mHandler.postTask(runnable);
    }
}
